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All Journal Journal of Marine Research Spatial : Wahana Komunikasi dan Informasi Geografi Journal of Demography, Etnography, and Social Transformation
Renita Purwanti, Renita
Badan Informasi Geospasial
Humanities Earth & Planetary Sciences Environmental Science Social Sciences

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Tinjauan Perubahan dan Prediksi Garis Pantai: Studi Perbandingan Kasus di Sri Lanka dan Indonesia Purwanti, Renita; Koestoer, Raldi Hendro
Journal of Marine Research Vol 13, No 2 (2024): Journal of Marine Research
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jmr.v13i2.40428

Abstract

Garis pantai adalah fitur geomorfologi yang sangat dinamis dan rentan mengalami perubahan yang disebabkan oleh fenomena alam ataupun aktivitas manusia. Perubahan garis pantai akan berdampak pada pengelolaan kawasan pesisir dan mengancam kelangsungan sumber daya pesisir. Pengamatan perubahan garis pantai dapat dilakukan menggunakan analisis perhitungan statistik dengan variabel statistik maupun variabel fisik. Tulisan ini bertujuan untuk melakukan review dan membandingkan penelitian perubahan garis pantai dengan studi kasus di Sri Lanka dan Indonesia dengan menggunakan metode studi komparasi melalui penelusuran literatur ilmiah. Hasil dari penelitian ini menunjukkan pembangunan pelabuhan merupakan faktor paling berpengaruh dalam perubahan garis pantai di Sri Lanka, sedangkan di Indonesia dipengaruhi oleh faktor konstruksi pantai, estuari sungai, dan kedalaman dasar laut. Perubahan garis pantai di tahun 2031, dan 2041 masing – masing negara diprediksi akan mengalami erosi, abrasi, dan akresi. Dalam hal kebijakan, Perubahan garis pantai di Indonesia akan berpengaruh pada pengelolaan kawasan pesisir, khususnya dalam hal penghitungan Dana Alokasi Umum.  Shoreline is a very dynamic geomorphological feature and susceptible to changes caused by natural phenomena or human activities. Shoreline changes will have an impact on the management of coastal areas and threaten the sustainability of coastal resources. Monitoring of shoreline changes can be carried out by using statistical calculation analysis with statistical variables and physical variables. This paper aims to review and compare shoreline change research with case studies in Sri Lanka and Indonesia using the comparative study method through scientific literature review. The results of this study indicate that port construction is the most influential factor in shoreline changes in Sri Lanka, while in Indonesia it is influenced by several factors such as coastal construction, river estuaries, and seabed depth. Coastline changes in 2031 and 2041 for each country are predicted to experience erosion, abrasion and accretion. In terms of policy, changes to the coastline in Indonesia will affect the management of coastal areas, especially in terms of calculating the General Allocation Fund
Analisis Spasial Daya Dukung Lahan Kabupaten Majalengka Mardalena, Ayu; Banurea, Dedy Swandy; Purwanti, Renita
DEMOS: Journal of Demography, Ethnography and Social Transformation Vol. 4 No. 1 (2024): Journal of Demography, Etnography and Social Transformation
Publisher : Pusat Kajian Demografi, Etnografi dan Transformasi Sosial

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/demos.v4i1.2376

Abstract

Majalengka Regency is one of the administrative areas in West Java Province which has a high population density of 1,096 people/km2. The large population density in this area results in a large amount of land conversion which can cause a decrease in the carrying capacity of land in Majalengka Regency. This study aims to analyze the land carrying capacity of each sub-district in the Majalengka Regency and analyze the efforts that can be made based on the physical characteristics of the region and the RTRW of the Majalengka Regency. The methods used are descriptive quantitative and spatial analysis in the evaluation of land suitability. The results of this study are that out of 26 sub-districts in Majalengka Regency, 18 sub-districts are included in the deficit category while 8 sub-districts are included in the surplus category. Efforts in the management of each region are different according to the characteristics of the local area and the direction of regional functions based on the RTRW.
Analisis Perubahan Tutupan Lahan Pertanian dan Perkebunan di Bendungan Gondang, Kabupaten Karanganyar menggunakan Google Earth Purwanti, Renita; Setyanto, Yogyrema; Wibowo, Adi
Jurnal Spatial Wahana Komunikasi dan Informasi Geografi Vol. 24 No. 1 (2024): Spatial : Wahana Komunikasi dan Informasi Geografi
Publisher : Department Geography Education Faculty of Social Science - Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/spatial.241.02

Abstract

The construction of a dam generally aims to mitigate against floods, management of water availability, irrigation for agriculture, and also one of the tourism attractions. The construction of the dam has implications for land use change around the dam area which causes changes in land cover. The Gondang Dam is one of the government programs that began to be built in 2014 where the rehabilitation of the irrigation channels was completed in 2019 and has reached the maximum storage capacity in 2020. This study aims to analyze changes in agricultural and plantation land cover before and after the Gondang Dam was built using Imagery Satellites sourced from Google Earth are multitemporal with acquisition years 2013 and 2022. Land cover data was obtained through the on screen digitization method by producing 12 land cover classes and analyzed using the overlay method using a Geographic Information System (GIS). The overall accuracy test results for land cover data for 2013 and 2022 are 94.33% and 96.83%, respectively. The biggest change in land cover occurred in the plantation land cover class which experienced a decrease in area of 29.72 Ha
Analisis Spasial Daya Dukung Lahan Kabupaten Majalengka Mardalena, Ayu; Banurea, Dedy Swandy; Purwanti, Renita
DEMOS: Journal of Demography, Ethnography and Social Transformation Vol. 4 No. 1 (2024): Journal of Demography, Etnography and Social Transformation
Publisher : LPPM UIN SULTHAN THAHA SAIFUDDIN JAMBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/demos.v4i1.2376

Abstract

Majalengka Regency is one of the administrative areas in West Java Province which has a high population density of 1,096 people/km2. The large population density in this area results in a large amount of land conversion which can cause a decrease in the carrying capacity of land in Majalengka Regency. This study aims to analyze the land carrying capacity of each sub-district in the Majalengka Regency and analyze the efforts that can be made based on the physical characteristics of the region and the RTRW of the Majalengka Regency. The methods used are descriptive quantitative and spatial analysis in the evaluation of land suitability. The results of this study are that out of 26 sub-districts in Majalengka Regency, 18 sub-districts are included in the deficit category while 8 sub-districts are included in the surplus category. Efforts in the management of each region are different according to the characteristics of the local area and the direction of regional functions based on the RTRW.
Co-Authors Adi Wibowo Banurea, Dedy Swandy Mardalena, Ayu Raldi Hendro Koestoer, Raldi Hendro Setyanto, Yogyrema